/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 晓星航
 * Date: 2023-01-30
 * Time: 16:20
 */
class Node {
    private Node() {

    }
    public int sun(int i) {
        return -1;
    }
}
public class TestDemo {
    public static void main(String[] args) {
        int a = 0;
        int b = 1;
        int c = 212;
        int ret = a + b + c;
        System.out.println(ret);
    }
}
